/Engine/Plugins/Runtime/ReplicationGraph/Source/Public/ReplicationGraphTypes.h
Add to the passed gather list the list of actors that are visible to the connection
void Gather ( const [UNetReplicationGraphConnection](API\Plugins\ReplicationGraph\UNetReplicationGraphConnection) & ConnectionManager, [FGatheredReplicationActorLists](API\Plugins\ReplicationGraph\FGatheredReplicationActorLists) & OutGatheredList ) const